Core i3-1115G4 vs Core i7-3840QM

Core i3-1115G4

2 Cores4 Thrd15 WWMax: 4.1 GHz2020

Core i7-3840QM

4 Cores8 Thrd45 WWMax: 3.8 GHz2012

Performance Spectrum - CPU

Core i3-1115G4

2 / 4

5,860

0.0%

5,871

+0.2%

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Core i3-1115G4 is positioned at rank 567 and the Core i7-3840QM is on rank 238, so the Core i7-3840QM offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core i3-1115G4

#176

Core i9-13900HK

MSRP: $697|Avg: N/A

100%

#178

Core i7-1360P

MSRP: $480|Avg: $280

99%

#179

Core i7-1260P

MSRP: $432|Avg: $432

98%

#555

Atom x5-Z8300

MSRP: $20|Avg: N/A

751%

#556

Atom Z3735G

MSRP: $17|Avg: N/A

740%

#557

Core i5-480M

MSRP: $81|Avg: $77

679%

#558

Core i5-460M

MSRP: $80|Avg: $129

676%

#559

Core i5-2540M

MSRP: $266|Avg: $10

670%

#561

Core i5-450M

MSRP: $32|Avg: $31

647%

#562

Core i3-380M

MSRP: $49|Avg: $25

620%

#563

Core i5-430M

MSRP: N/A|Avg: $33

619%

#564

Core 2 Duo T6600

MSRP: N/A|Avg: $4

603%

#567

Core i3-1115G4

MSRP: N/A|Avg: N/A

100%

#572

A10-9600P

MSRP: $128|Avg: $50

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-3840QM

#64

Ryzen AI Max PRO 390

MSRP: $600|Avg: $600

98%

#226

Atom x5-Z8300

MSRP: $20|Avg: N/A

400%

#227

Atom Z3735G

MSRP: $17|Avg: N/A

394%

#228

Core i5-480M

MSRP: $81|Avg: $77

362%

#229

Core i5-460M

MSRP: $80|Avg: $129

360%

#230

Core i5-2540M

MSRP: $266|Avg: $10

357%

#232

Core i5-450M

MSRP: $32|Avg: $31

344%

#233

Core i3-380M

MSRP: $49|Avg: $25

330%

#234

Core i5-430M

MSRP: N/A|Avg: $33

330%

#235

Core 2 Duo T6600

MSRP: N/A|Avg: $4

321%

#238

Core i7-3840QM

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Core i3-1115G4 (2020) utilizes 10 nm SuperFin technology and DDR4, providing a fundamental performance advantage.

Insight	Core i3-1115G4	Core i7-3840QM
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Tiger Lake-UP3 (2020−2021) / 10 nm SuperFin)	🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm)

💎 Value Proposition

The Core i7-3840QM (2012) relies on 22 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Core i3-1115G4	Core i7-3840QM
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i3-1115G4 Benchmark Check

Core i7-3840QM Benchmark Check

Technical Specifications

Side-by-side comparison of Core i3-1115G4 and Core i7-3840QM

Core i3-1115G4

The Core i3-1115G4 is manufactured by Intel. It was released in 2 September 2020 (5 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 4.1 GHz. L3 cache: 6 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 5,860 points. Launch price was $281.

Core i7-3840QM

The Core i7-3840QM is manufactured by Intel. It was released in 3 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 5,871 points. Launch price was $568.

⚡

Processing Power

The Core i3-1115G4 packs 2 cores / 4 threads, while the Core i7-3840QM offers 4 cores / 8 threads — the Core i7-3840QM has 2 more cores. Boost clocks reach 4.1 GHz on the Core i3-1115G4 versus 3.8 GHz on the Core i7-3840QM — a 7.6% clock advantage for the Core i3-1115G4 (base: 2.2 GHz vs 2.8 GHz). The Core i3-1115G4 uses the Tiger Lake-UP3 (2020−2021) architecture (10 nm SuperFin), while the Core i7-3840QM uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i3-1115G4 scores 5,860 against the Core i7-3840QM's 5,871 — a 0.2% lead for the Core i7-3840QM. Geekbench 6 single-core — the metric most relevant to gaming — records 1,579 vs 676, a 80.1% lead for the Core i3-1115G4 that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i3-1115G4 vs 8 MB (total) on the Core i7-3840QM.

Feature	Core i3-1115G4	Core i7-3840QM
Cores / Threads	2 / 4	4 / 8+100%
Boost Clock	4.1 GHz+8%	3.8 GHz
Base Clock	2.2 GHz	2.8 GHz+27%
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	1.25 MB (per core)+400%	256K (per core)
Process	10 nm SuperFin-55%	22 nm
Architecture	Tiger Lake-UP3 (2020−2021)	Ivy Bridge (2012−2013)
PassMark	5,860	5,871
Geekbench 6 Single	1,579+134%	676

🧠

Memory & Platform

The Core i3-1115G4 uses the FCBGA1449 socket (PCIe 4.0), while the Core i7-3840QM uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i3-1115G4 versus DDR3-1600 on the Core i7-3840QM — the Core i3-1115G4 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-1115G4 supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Core i3-1115G4) vs 16 (Core i7-3840QM) — the Core i7-3840QM offers 12 more lanes for additional GPUs or NVMe drives.

Feature	Core i3-1115G4	Core i7-3840QM
Socket	FCBGA1449	PGA988
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR4-3200+33%	DDR3-1600
Max RAM Capacity	64 GB+100%	32 GB
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	4	16+300%

🔧

Advanced Features

Neither processor supports overclocking. Only the Core i3-1115G4 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d, EPT virtualization. Both include integrated graphics — UHD Graphics for 11th Gen (48 EU) (Core i3-1115G4) and HD Graphics 4000 (Core i7-3840QM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-1115G4 targets Mainstream Laptop, Core i7-3840QM targets Mobile Workstation. Direct competitor: Core i3-1115G4 rivals Ryzen 3 5300U; Core i7-3840QM rivals A10-5750M.

Feature	Core i3-1115G4	Core i7-3840QM
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics for 11th Gen (48 EU)	HD Graphics 4000
Unlocked	No	No
AVX-512	Yes	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Mainstream Laptop	Mobile Workstation